KR101749992B1 - Method for providing position information using time period - Google Patents

Method for providing position information using time period Download PDF

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Publication number
KR101749992B1
KR101749992B1 KR1020090109491A KR20090109491A KR101749992B1 KR 101749992 B1 KR101749992 B1 KR 101749992B1 KR 1020090109491 A KR1020090109491 A KR 1020090109491A KR 20090109491 A KR20090109491 A KR 20090109491A KR 101749992 B1 KR101749992 B1 KR 101749992B1
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KR
South Korea
Prior art keywords
information
mobile phone
location
external device
specific time
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KR1020090109491A
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Korean (ko)
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KR20110052815A (en
Inventor
표종선
유승동
장우용
박세준
문민정
Original Assignee
삼성전자주식회사
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Priority to KR1020090109491A priority Critical patent/KR101749992B1/en
Publication of KR20110052815A publication Critical patent/KR20110052815A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009Transmission of position information to remote stations
    • G01S5/0072Transmission between mobile stations, e.g. anti-collision systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

According to the present position information providing method, first position information, which is information on a current position, is detected, a position inquiry request and specific time range information are transmitted to the external device, It is possible to receive the second position information which is information on the position of the device and display the position of the electronic device and the external device on the screen by using the first position information and the second position information. It is very easy to check the position of another user. In addition, since the specific time range is determined and the location information is transmitted and received in an encrypted state, the privacy of the user can be prevented from being disclosed.
Location, lookup, GPS, time, encryption

Description

Field of the Invention < RTI ID = 0.0 > [0001] < / RTI &

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a position information providing method, and more particularly, to a position information providing method for confirming position information of a partner apparatus using GPS and wireless communication.

Due to the recent surge in crime rates, parents often want to know their child's current location. Due to this need, services are being developed to inform the user's current location. Particularly, with the development of mobile communication technology, it has become an era when everyone carries mobile phone. Accordingly, a service for inquiring the location of a user using a mobile phone is being developed.

In addition, many devices have recently been equipped with a global positioning system (GPS). GPS means a system that not only uses airplanes, ships, cars, but also knows its location accurately by using satellites anywhere in the world. In addition, models equipped with GPS in mobile phones are being released in large quantities.

In this way, the mobile phone can detect the current position by mounting the GPS. Therefore, a search for a method for inquiring the current position of another user using the mobile phone is requested.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a method and apparatus for detecting first position information which is information on a current position, transmitting a position inquiry request and specific time range information to the external device The second position information is information on the position of the external device from the external device during a time corresponding to the specific time range. The position of the electronic device and the external device are displayed on the screen using the first position information and the second position information And a method of providing positional information to be displayed.

According to an aspect of the present invention, there is provided a method of providing location information of an electronic device connected to an external device so as to communicate with the external device, the method comprising: detecting first location information, Transmitting a location inquiry request and specific time range information to the external device; Receiving second position information, which is information on a position of the external device from the external device, for a time corresponding to the specific time range; And displaying the position of the electronic device and the external device on the screen using the first position information and the second position information.

And calculating distance information between the electronic device and the external device using the first position information and the second position information, wherein the display step displays the calculated distance information together with the screen It can also be displayed.

Also, the transmitting step may transmit the specific time range information in an encrypted state.

The method may further include encrypting the specific time range information using a PIN number or a HASH code.

The receiving of the second location information may also receive the second location information in the encrypted state using the PIN number or the HASH code.

And decrypting the received second position information using the PIN number or the HASH code, wherein the step of displaying includes: using the first position information and the decrypted second position information , The location of the electronic device and the external device may be displayed on the screen.

According to another aspect of the present invention, there is provided a method of providing location information of an electronic device connected to an external device, the method comprising: receiving a location inquiry request and specific time range information from the external device; And detecting and transmitting location information, which is information on the current location, to the external device during a time corresponding to the specific time range, in response to the received location inquiry request.

The receiving step may receive the specific time range information in an encrypted state.

Also, the specific time range information may be encrypted using a PIN number or a HASH code.

And decrypting the specific time range information using the PIN number or the HASH code.

The method may further include encrypting the location information using the PIN number or the HASH code, and the transmitting the location information may transmit the encrypted location information to the external device.

In another aspect of the present invention, there is provided a method for providing location information of a location information providing system including an external device and an electronic device connected to each other so as to be able to communicate with each other, 1 position information; Transmitting the location inquiry request and specific time range information to the external device; Detecting and transmitting second location information, which is information on a location of the external device, with the electronic device for a time corresponding to the specific time range, in response to the location inquiry request; And displaying the position of the electronic device and the external device on the screen using the first position information and the second position information.

The electronic device may further include calculating distance information between the electronic device and the external device using the first position information and the second position information, May be displayed together on the screen.

In addition, the step of transmitting the first location information may transmit the specific time range information in an encrypted state.

The electronic device may further include encrypting the specific time range information using a PIN number or a HASH code.

The method may further include encrypting the second location information using the PIN number or the HASH code by the external device, wherein the step of transmitting the second location information comprises: May be transmitted to the electronic device.

And decrypting the received second position information using the PIN number or the HASH code, wherein the step of displaying includes displaying the first position information and the second position information, And the position of the electronic device and the external device can be displayed on the screen using the decoded second position information.

According to another aspect of the present invention, there is provided a method of providing position information of an electronic device connected to an external device so as to communicate with the external device, the method comprising: detecting first position information, Transmitting a location inquiry request to the external device; Receiving second position information, which is information on a position of the external device, from the external device during a time corresponding to a specific time range set by the external device; And displaying the position of the electronic device and the external device on the screen using the first position information and the second position information.

According to various embodiments of the present invention, it is possible to detect first position information, which is information on a current position, transmit a position inquiry request and specific time range information to the external device, The second location information being information on the location of the external device from the first location information and the second location information and displaying the location of the electronic device and the external device on the screen using the first location information and the second location information So that the user can very easily confirm the position of another user using the electronic device. In addition, since the specific time range is determined and the location information is transmitted and received in an encrypted state, the privacy of the user can be prevented from being disclosed.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

1 is a view showing a location of a second mobile phone 210, a third mobile phone 220 and a fourth mobile phone 230 on the screen of the first mobile phone 100 according to an embodiment of the present invention; to be.

As shown in FIG. 1, the location of the second mobile phone 210, the third mobile phone 220, and the fourth mobile phone 230 are displayed on the map of the first mobile phone 100. That is, it can be confirmed that the first mobile phone icon 105, the second mobile phone icon 215, the third mobile phone icon 225, and the fourth mobile phone icon 235 are displayed on the screen of the first mobile phone 100 .

The second mobile phone 210, the third mobile phone 220 and the fourth mobile phone 230 transmit their own location information to the first mobile phone 100 using a data communication network. The data communication network may be a mobile communication network or an internet network.

Thus, the first mobile phone 100 receives location information from the second mobile phone 210, the third mobile phone 220, and the fourth mobile phone 230. The first mobile phone 100 uses the received location information to display the second mobile phone icon 215, the third mobile phone icon 225 and the fourth mobile phone icon 235 ).

Accordingly, the user of the first mobile phone 100 can easily confirm the location of other mobile phone users.

2 is a block diagram illustrating the structure of a first mobile phone 100 according to an embodiment of the present invention. 2, the first mobile phone 100 includes a display unit 110, a communication unit 120, a storage unit 130, an operation unit 140, a GPS unit 150, and a control unit 160 .

The display unit 110 displays an image for providing a function of the first mobile phone 100. [ The display unit 110 displays GUIs (Graphic User Interfaces) for user's operation on the screen. In addition, the display unit 110 may display icons indicating positions of other mobile phones on the map.

The communication unit 120 is connected to another mobile phone through a mobile communication network or the Internet. Here, the mobile communication network may be a GSM (Group Special Mobile) communication network or a WCDMA (Wideband Code Division Multiple Access) communication network. The communication unit 120 is connected to the mobile communication network 120 through a mobile communication base station. The communication unit 120 is connected to the Internet through a wireless access point (AP).

The communication unit 120 transmits a location inquiry request and specific time range information to an external device. Here, the location inquiry request is a request message transmitted to receive the second location information, which is information on the current location of the external device, from the external device. The specific time range information means information about a specific time interval corresponding to a period in which position information is received from an external device.

Also, the communication unit 120 receives the second position information from the external device for a time corresponding to the specific time range. For example, when the specific time range information is from 10:00 am to 12:00 am, the communication unit 120 receives the second position information from the external device from 10:00 am to 12:00 pm. If the specific time range information is two hours, the communication unit 120 receives the second position information from the external device for two hours from the current time.

The storage unit 130 stores programs for performing various functions of the first mobile phone 100. Also, the storage unit 130 stores location information received from an external device. The storage unit 130 may be a hard disk, a nonvolatile memory, or the like.

The operation unit 140 receives the operation of the user and transmits the operation to the control unit 160. Specifically, the operation unit 140 receives a position inquiry command or the like, which is a command for starting position inquiry of the external device from the user. The operation unit 140 may be a button disposed on the first mobile phone 100, or a touch screen.

The GPS unit 150 detects the first position information which is the current position information of the first mobile phone 100. The GPS unit 150 detects the position information in the form of GPS coordinate information including latitude and longitude information. Then, the GPS unit 150 transmits the detected first position information to the control unit 160.

The controller 160 controls the overall operation of the first mobile phone 100. Specifically, the control unit 160 detects the first position information, which is the current position of the first mobile phone 100, using the GPS unit 150. [ In addition, the controller 160 may detect the current position using a mobile communication base station or a wireless access point (AP) connected through the communication unit 120. [ In order to implement such a function, the control unit 160 periodically detects the current position. For example, the control unit 160 may control the GPS unit 150 to operate so that the coordinate value of the current position is detected once every five minutes.

Specifically, when the first mobile phone 100 is in a GPS signal receivable area (for example, outdoors), the controller 160 detects the first position information using the GPS unit 150. However, if the first mobile phone 100 is located in a GPS reception disabled area (e.g., inside a building), the controller 160 controls the location of the mobile communication base station connected through the communication unit 120, The first position information of the first mobile phone 100 is detected.

Also, the controller 160 controls the location inquiry request and specific time range information to be transmitted to the external device. Specifically, when the location inquiry command is input by the user's operation, the controller 160 controls the location inquiry request and specific time range information to be transmitted to the external device.

At this time, the specific time range information indicates information about a specific time interval corresponding to a period of receiving position information from an external device. The specific time range information may be set by the user or may be a preset state.

The control unit 160 transmits the specific time range information in an encrypted state. Specifically, the controller 160 encrypts the specific time range information using a PIN (Personal Identification Number) number or a HASH code.

Also, the controller 160 controls the second position information, which is information on the position of the external device, to be received from the external device during the time corresponding to the specific time range. For example, when the specific time range information is from 10:00 am to 12:00 am, the control unit 160 controls the communication unit 120 to receive the second location information from the external device from 10:00 am to 12:00 pm. If the specific time range information is two hours, the controller 160 controls the communication unit 120 to receive the second position information from the external device for two hours from the current time.

At this time, the received second location information may be encrypted using a PIN number or a HASH code. Here, the PIN number or the HASH code is the PIN number or the HASH code used when the control section 160 encrypts the specific time range. Accordingly, the controller 160 decrypts the received second location information using the PIN number or the HASH code used when encrypting the specific time range.

Specifically, the PIN number and the value of the HASH code will be described as follows. In the following description, it is assumed that the specific time range is a total of two hours from 12:00 on September 13, 2009 to 14:00 on September 13, 2009.

In this case, the PIN number can be of the following type. If the PIN number includes start time and time range information of a specific time range, the PIN number may be "2009091312000200 ". Further, when the PIN number indicates the start time and end time of the specific time range, the PIN number may be "200909131200200909131400 ". If the specific time range indicated by the PIN number is Monday through Friday from 8:00 am to 5:00 pm, the PIN number may be "08001700MON2FRI ". If the specific time range indicated by the PIN number is Monday from 8:00 am to 5:00 pm, the PIN number may be "08001700MON ".

The HASH code is a code value that can be obtained by substituting the above-mentioned PIN number into the HASH function. Specifically, the hash code for the PIN number "2009091312000200" becomes "DF28YTF ". The hash code for the PIN number "200909131200200909131400" becomes "57DDTFS ". Then, the hash code for the PIN number "08001700MON2FRI" becomes "OI8237FS ". In addition, the hash code for the PIN number "08001700MON" becomes "ZF102FFS ".

The controller 160 controls the display of the first mobile phone 100 and the location of the external device using the detected first location information and the decoded second location information. Specifically, the control unit 160 displays a map on the screen and controls the icons corresponding to the positions of the first mobile phone 100 and the external device on the map to be displayed on the map.

Also, the controller 160 may calculate the distance information between the first mobile phone 100 and the external device using the first position information and the second position information. Then, the control unit 160 may display the calculated distance information together on the screen. Specifically, the controller 160 may control the distance information calculated in the area between the icon of the first mobile phone 100 and the icon of the external device to be displayed.

When an operation for selecting an icon of an external device displayed on the screen is input by the user, the control unit 160 may control the display unit to display a menu for performing a function related to the external device. For example, when the user selects an external device icon displayed on the screen, the control unit 160 may control to display a menu including an item of a function of making a call to an external device and a function of sending a text message.

The first mobile phone 100 having such a configuration can display the location of the external device on the screen. Also, since the first mobile phone 100 receives and displays the location of the external device only for a specific time range, and transmits and receives information in an encrypted state, it is possible to prevent personal information of the user from being leaked.

2 illustrates only the configuration of the first mobile phone 100. The second mobile phone 210, the third mobile phone 220 and the fourth mobile phone 230, which correspond to the external devices described above, As shown in Fig. However, since the second mobile phone 210, the third mobile phone 220 and the fourth mobile phone 230 perform functions as external devices, there are some differences in their functions, (210).

The second mobile phone 210 has the same internal configuration as that of the first mobile phone 100 shown in FIG. 2, and functions as an external device.

Specifically, the control unit of the second mobile phone 210 receives the location inquiry request and specific time range information from the first mobile phone 100. At this time, the specific time range information received from the first mobile phone 100 is received in an encrypted state using the PIN number or the HASH code. Therefore, the control unit of the second mobile phone 210 decodes the received specific time range information using the received PIN number or the HASH code.

In response to the received location inquiry, the control unit of the second mobile phone 210 transmits information on the current location of the second mobile phone 210 to the first mobile phone 100 during a time corresponding to a specific time range And detects and transmits the second position information. Here, the control unit of the second mobile phone 210 encrypts the second location information using the PIN number or HASH code received from the first mobile phone 100. [ Then, the control unit of the second mobile phone 210 transmits the encrypted second position information to the first mobile phone 100.

In this way, the control unit of the second mobile phone 210 encrypts the second location information and provides it to the first mobile phone 100. Also, the control unit of the third mobile phone 220 and the fourth mobile phone 230 performs a similar function to the control unit of the second mobile phone 210. [

Hereinafter, the location information providing method will be described in detail with reference to FIG. 3 is a flowchart illustrating a method for providing location information of the first mobile phone 100 and the second mobile phone 210 according to an embodiment of the present invention.

First, the first mobile phone 100 determines whether a position inquiry command is inputted by the user's operation (S310). If the location inquiry command is input (S310-Y), the first mobile phone 100 detects the first location information indicating the current location of the first mobile phone 100 (S315).

Specifically, when the first mobile phone 100 is in a GPS signal receivable area (for example, outdoors), the first mobile phone 100 detects the first position information using the GPS unit 150. However, when the first mobile phone 100 is located in a non-GPS reception area (for example, inside a building), the first mobile phone 100 transmits the location of the mobile communication base station connected through the communication unit 120, The first position information of the first mobile phone 100 is detected.

Thereafter, the first mobile phone 100 encrypts specific time range information (S320). Specifically, the first mobile phone 100 encrypts specific time range information using a PIN (Personal Identification Number) number or a HASH code.

At this time, the specific time range information indicates information about a specific time interval corresponding to a period of receiving position information from an external device. The specific time range information may be set by the user or may be a preset state.

Then, the first mobile phone 100 transmits the location inquiry request and the encrypted specific time range information to the second mobile phone 200 (S325).

Then, the second mobile phone 210 receives the location inquiry request and specific time range information from the first mobile phone 100 (S330). At this time, the specific time range information received from the first mobile phone 100 is received in an encrypted state using the PIN number or the HASH code. Accordingly, the second mobile phone 210 decrypts the received specific time range information using the received PIN number or the HASH code (S335).

Thereafter, the second mobile phone 210 determines whether the current time has reached a specific time range (S340). If the current time does not fall within the range of the specific time (S340-N), the second mobile phone 210 waits until the current time falls within a specific time range.

On the other hand, if the current time is within a specific time range (S340-Y), the second mobile phone 210 detects second position information indicating the current position of the second mobile phone 210 (S345). Specifically, when the second mobile phone 210 is in a GPS signal receivable area (e.g., outside), the second mobile phone 210 detects the second location information using GPS. However, if the second mobile phone 210 is located in a non-GPS reception area (for example, inside the building), the second mobile phone 200 transmits information on the location of the mobile communication base station or the location of the wireless AP The second position information of the second mobile phone 210 is detected.

Thereafter, the second mobile phone 210 encrypts the second location information using the PIN number or the HASH code received from the first mobile phone 100 (S350). Then, the second mobile phone 210 transmits the encrypted second location information to the first mobile phone 100 (S360).

Thereafter, the second mobile phone 210 determines whether the current time exceeds a specific time range (S365). If the current time exceeds the specific time range (S365-Y), the second mobile phone 210 ends the process of transmitting the second location information.

On the other hand, if the current time does not exceed the specific time range (S365-N), the second mobile phone 210 repeats the process from S345 to S360. In this case, the second mobile phone 210 transmits the location information of the second mobile phone 210 to the second mobile phone 210 in response to the location inquiry request received from the first mobile phone 100, The location information is detected and transmitted to the first mobile phone 100.

Then, the first mobile phone 100 receives the second location information from the second mobile phone 210 for a time corresponding to the specific time range (S370). For example, when the specific time range information is from 10:00 am to 12:00 am, the first mobile phone 100 receives the second location information from the external device from 10:00 am to 12:00 pm. Also, when the specific time range information is 2 hours, the first mobile phone 100 receives the second location information from the external device for 2 hours from the current time.

At this time, the received second position information is received in an encrypted state using the PIN number or the HASH code. Here, the PIN number or HASH code is a PIN number or a HASH code used when the first mobile phone 100 encrypts a specific time range. Accordingly, the first mobile phone 100 decrypts the received second location information using the PIN number or HASH code used to encrypt the specific time range (S373).

Then, the first mobile phone 100 calculates distance information between the first mobile phone 100 and the second mobile phone 210 using the first position information and the second position information (S375). Then, the first mobile phone 100 displays the positions of the first mobile phone 100 and the second mobile phone 210 on the screen using the detected first position information and the decoded second position information (S380).

Specifically, the first mobile phone 100 displays a map on the screen and displays icons corresponding to the positions of the first mobile phone 100 and the second mobile phone 210 on the map, respectively. Then, the first mobile phone 100 may display the calculated distance information together on the screen. Specifically, the first mobile phone 100 may display distance information calculated in an area between an icon of the first mobile phone 100 and an icon of the second mobile phone 210. [

When an operation of selecting an icon of the second mobile phone 210 displayed on the screen is input by the user, the first mobile phone 100 displays a menu for performing functions related to the second mobile phone 210 on the screen It is possible. For example, when the user selects an icon of the second mobile phone 210 displayed on the screen, the control unit 160 includes an item of a function of making a call to the second mobile phone 210 and an item of a function of sending a text message You can also display menus.

Through this process, the first mobile phone 100 can display the position of the second mobile phone 210 on the screen. Also, since the first mobile phone 100 receives and displays the position of the second mobile phone 210 for a specific time range and transmits and receives information in an encrypted state, it is possible to prevent the user's personal information from being leaked do.

Hereinafter, the process of displaying location information on the first mobile phone 100 will be described in detail with reference to FIGS. 4A to 4F. FIG. 4A to 4E are diagrams illustrating a process in which location information is displayed on the first mobile phone 100 according to an embodiment of the present invention.

FIG. 4A shows a screen in which the user selects the location inquiry icon 400. FIG. As shown in FIG. 4A, when the user touches the location inquiry icon 400, the first mobile phone 100 receives the location inquiry command.

Then, as shown in FIG. 4B, the first mobile phone 100 displays the location inquiry target selection menu 410 on the screen. As shown in FIG. 4B, the user of the first mobile phone 100 can confirm that the user A, the user B, and the user C are selected as the location inquiry target. Here, if the cellular phone of the user A is the second cellular phone 210 of FIG. 1, the cellular phone of the user B is the third cellular phone 220 of FIG. 1, and the cellular phone of the user C is the fourth cellular phone 230 of FIG. 1 .

4C shows a screen in which an input window 415 for inputting a specific time range is displayed on the first mobile phone 100. As shown in FIG. As shown in FIG. 4C, when the user inputs a specific time range of 3 hours, the first mobile phone 100 receives position information from other mobile phones for 3 hours from the current time.

In FIG. 4C, a specific time range is shown as being input as one time value, but this is of course only one embodiment. That is, the specific time range may be input in various ways, and may be input at predetermined time intervals, for example. Specifically, when the specific time range information is from 10:00 am to 12:00 am, the first mobile phone 100 receives the second location information from other mobile phones from 10:00 am to 12:00 pm.

In this manner, when the location inquiry target persons are selected in the first mobile phone 100 and a specific time range is input, the first mobile phone 100 transmits a location inquiry request and a specific time range to the mobile phones of the location inquiry target persons, respectively.

Then, the location information inquiry approval acknowledgment message 420 is displayed on the screen of the mobile phone of the inquiry target persons as shown in FIG. 4d. FIG. 4D shows a screen in which a location information inquiry approval confirmation message 420 is displayed on the screen of the second mobile phone 210, which is a mobile phone of the A user. 4D, when the user selects the permit button, the second mobile phone 210 displays the second position information, which is information on the current position of the second mobile phone 210, with the first mobile phone 100, .

In addition, the third mobile phone 220, which is the mobile phone of the B user, and the fourth mobile phone 230, which is the mobile phone of the C user, also transmit the respective location information to the first mobile phone 100.

4E shows a location inquiry screen 430 on which the location of the users to be inquired is displayed on the map. As shown in FIG. 4E, the first mobile phone 100 has a map , The positions of the A user, the B user, and the C user are displayed in an icon form. 4E, the first icon 105 is an icon representing the location of the user of the first mobile phone, the second icon 215 is an icon representing the location of the A user who is the user of the second mobile phone, 3 icon 225 is an icon representing the location of the B user who is the user of the third mobile phone and the fourth icon 235 is an icon representing the location of the C user who is the user of the fourth mobile phone.

4E, when the user selects between the first icon 105 and the second icon 215, the first mobile phone 100 displays the distance display icon 440 on the screen . As shown in FIG. 4E, the distance display icon 440 displays information about the distance between the two users and the time taken.

As described above, the first mobile phone 100 displays the location of the users in an icon form on the location inquiry screen 430, and displays the distance display icon 440 on the screen to display the distance between users according to the user's operation .

FIG. 4F shows a screen on which the function menu 450 corresponding to the icon selected by the user is displayed. 4F, when the user selects the first icon 215, the first mobile phone 100 has a function for performing a function related to the mobile phone of the user A corresponding to the first icon 215 Menu 450 is displayed.

As shown in FIG. 4F, the function menu 450 can confirm that a message transmission item and a communication item are included. The first icon 100 is an icon corresponding to the second mobile phone 210, which is the mobile phone of the A user. Accordingly, when the message transmission item is selected, the first mobile phone 100 executes a window for transmitting a message to the second mobile phone 210. [ In addition, when the call item is selected, the first mobile phone 100 performs a function of calling the second mobile phone 210. [

As described above, when any one of the icons of the persons to be displayed displayed on the position inquiry screen 430 is selected by the user, the first cellular phone 100 has a function for performing a function related to the user's cellular phone corresponding to the selected icon The menu 450 is displayed on the screen.

Through this process, the first mobile phone 100 can easily inquire the position of other mobile phones and can easily execute functions related to the user to be viewed. Accordingly, the user can easily search the location of a desired person using the mobile phone.

In the present embodiment, a specific time range is set in the first mobile phone 100. However, this is only an example, and the mobile phone (i.e., the second mobile phone 210 to the fourth mobile phone 210) The specific time range information may be set by the mobile phone 230). In this case, when the second mobile phone 210 receives the location inquiry request from the first mobile phone 100, the second mobile phone 210 receives the specific time range information from the user.

Accordingly, when the first mobile phone 100 transmits a location inquiry request to the second mobile phone 210, the second mobile phone 210 transmits the location inquiry request from the second mobile phone 210 to the second mobile phone 210 for a time corresponding to the specific time range set by the second mobile phone 210. [ Which is the information on the position of the mobile terminal 210, is received.

Meanwhile, in the present embodiment, it is assumed that the electronic device and the external device are mobile phones, but it goes without saying that this is merely an embodiment. That is, the electronic device and the external device can detect the current position and can transmit and receive the position information. For example, the electronic device and the external device may be a TV, an MP3, a PMP, a PDA, a notebook, a navigation system, a computer, and the like capable of position detection and data transmission and reception.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.

Brief Description of the Drawings Fig. 1 is a diagram showing locations of a second mobile phone, a third mobile phone, and a fourth mobile phone on a screen of a first mobile phone, according to an embodiment of the present invention;

2 is a block diagram illustrating the structure of a first mobile phone according to an embodiment of the present invention;

3 is a flowchart illustrating a method for providing location information of a first mobile phone and a second mobile phone, according to an embodiment of the present invention;

4A to 4F are views illustrating a process of displaying location information on a first mobile phone according to an embodiment of the present invention.

Claims (18)

  1. A method for providing location information of an electronic device connected to an external device so as to communicate with the external device,
    Detecting first position information which is information on a current position of the electronic device;
    Receiving a user input for setting a specific time range in which the external device can transmit the location of the external device;
    Transmitting a location inquiry request including encrypted information related to the specific time range to the external device based on the user input;
    The second location information being information on a location of the external device from the external device for a time corresponding to the specific time range according to the location inquiry request, wherein the second location information uses a PIN number or a HASH code Receiving second positional information received in an encrypted state;
    Decrypting the received second location information using the PIN number or the HASH code; And
    And displaying a position indicator indicating a position of the external device on the screen of the electronic device using the first position information and the decoded second position information.
  2. The method according to claim 1,
    And calculating distance information between the electronic device and the external device using the first position information and the decoded second position information,
    In the displaying step,
    And displaying the calculated distance information together on a screen.
  3. delete
  4. The method according to claim 1,
    And encrypting information related to the specific time range using the PIN number or the HASH code.
  5. delete
  6. delete
  7. A method for providing location information of an electronic device connected to an external device so as to communicate with the external device,
    Receiving a location inquiry request from the external device, the location inquiry request including encrypted information related to a specific time range within which the current location of the electronic device can be transmitted to the external device;
    Decrypting the encrypted information associated with the specific time range using a PIN number or a HASH code;
    Sensing location information related to a current location of the electronic device using a GPS unit; And
    Encrypts the detected location information using the PIN number or the HASH code if the current time is within the specific time range and transmits the encrypted location information to the external device in response to the received location inquiry request The method comprising the steps of:
  8. delete
  9. 8. The method of claim 7,
    Wherein the information related to the specific time range is encrypted using the PIN number or the HASH code.
  10. delete
  11. delete
  12. delete
  13. delete
  14. delete
  15. delete
  16. delete
  17. delete
  18. delete
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PCT/KR2010/007911 WO2011059224A2 (en) 2009-11-13 2010-11-10 Method for providing position information using time period
JP2012538755A JP5934104B2 (en) 2009-11-13 2010-11-10 Location information providing method using time range
US12/943,702 US8660587B2 (en) 2009-11-13 2010-11-10 Method for providing position information using time period
CN2010800512141A CN102713662A (en) 2009-11-13 2010-11-10 Method for providing position information using time period
EP10830156.5A EP2499512A4 (en) 2009-11-13 2010-11-10 Method for providing position information using time period
US14/153,740 US20140128101A1 (en) 2009-11-13 2014-01-13 Method for providing position information using time period

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JP2013511040A (en) 2013-03-28
US20110117938A1 (en) 2011-05-19
CN102713662A (en) 2012-10-03
US20140128101A1 (en) 2014-05-08
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US8660587B2 (en) 2014-02-25
WO2011059224A2 (en) 2011-05-19

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